%0 Journal Article
%A Grażyna Toporowska
%T The minimal norm problem and Pontriagin's maximum principle for Banach spaces (I)
%J Studia Mathematica
%D 1969
%P 175-183
%V 33
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/sm-33-2-175-183/
%R 10.4064/sm-33-2-175-183
%G en
%F 10_4064_sm_33_2_175_183